joshsd8479
21.02.2021 •
Mathematics
5x +2y=-9
3x+4y= -11
por el método de reducción porfavor hacerlo en folio y me mandáis una foto si no no entiendo
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Ответ:
mark as brainliest please
Ответ:
280 tons
Step-by-step explanation: divide all at tons/pound which accumulated to 280 tons